--- product_id: 452902545 title: "Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene)" brand: "apera instruments" price: "581 kr" currency: DKK in_stock: true reviews_count: 5 category: "Apera Instruments" url: https://www.desertcart.dk/products/452902545-apera-instruments-ai1113-ph-calibration-solution-kit-7-00-4 store_origin: DK region: Denmark --- # Β±0.01 pH accuracy Temp/pH reference chart included Double-sealed, 1-year shelf life Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) **Brand:** apera instruments **Price:** 581 kr **Availability:** βœ… In Stock ## Summary > 🎯 Calibrate like a pro β€” precision that keeps you ahead of the curve! ## Quick Answers - **What is this?** Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) by apera instruments - **How much does it cost?** 581 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/452902545-apera-instruments-ai1113-ph-calibration-solution-kit-7-00-4) ## Best For - apera instruments enthusiasts ## Why This Product - Trusted apera instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Color-Coded Clarity:** Easily distinguish pH 4.00 and 7.00 solutions at a glanceβ€”no mix-ups, no downtime. - β€’ **Mess-Free Organization:** Unique Callbox keeps your buffer solutions perfectly organized and ready for action. - β€’ **Long-Lasting Reliability:** Double-sealed bottles with a full year shelf life keep your calibration kit fresh and dependable. - β€’ **Temperature-Savvy Calibration:** Integrated temperature/pH reference chart empowers precise adjustments for real-world conditions. - β€’ **Precision-Calibrated Confidence:** NIST-certified accuracy within Β±0.01 pH ensures your measurements are always on point. ## Overview The Apera Instruments AI1113 pH Calibration Solution Kit delivers lab-grade accuracy with NIST-certified buffer solutions at pH 4.00 and 7.00, featuring double-sealed bottles for a 1-year shelf life and a handy temperature/pH reference chart. Designed for all pH meters, this kit ensures reliable, mess-free calibration with color-coded solutions and organized storage, making it the go-to choice for professionals demanding precision and convenience. ## Description The Apera Instruments AI1114 pH calibration buffer solution Kit includes two 16oz bottles of pH buffer solutions (pH 4.00 & pH 7.00); plus Aprea's unique Callbox for easy organization of all buffer solutions. Say Goodbye to all the mess when performing calibrations. The color-coded buffer solutions are standardized against NIST certified pH References within 0.01 pH at 25˚C (77˚F). it’s ideal for the calibration of all types of pH meters. Since pH level is affected by temperature, a temperature/pH reference Chart is provided on the bottle label for reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions; have a 1-year shelf life. Expiration date is printed on the bottle. MSDS documents are downloadable. Note: store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of REACH of children. Review: great for the class room or plant pH control Review: Good Product ## Features - High accuracy (Β±0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25˚C (77˚F). ideal for the calibration of all pH meters - Color-coded, double-sealed, 1-year shelf life - Expiration date and temperature/ph reference chart provided for reference - Non-hazardous product (msds is downloadable) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074SQBC4K | | Are batteries included? | No | | Best Sellers Rank | #233,762 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #50 in Chemical Buffers | | Brand | Apera Instruments | | Country of Origin | USA | | Customer Reviews | 4.6 4.6 out of 5 stars (676) | | Date First Available | 25 April 2018 | | Item Dimensions LxWxH | 5.1 x 20.3 x 5.1 Centimeters | | Item Height | 2 Inches | | Item Weight | 226 g | | Item Width | 8 Inches | | Item model number | AI1113 | | Manufacturer | Apera Instruments, LLC | | Model number | AI1113 | | Number of Memory Sticks | 1 | | Product Dimensions | 5.08 x 20.32 x 5.08 cm; 226.8 g | ## Images ![Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 1](https://m.media-amazon.com/images/I/71v2sp4uP8L.jpg) ![Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 2](https://m.media-amazon.com/images/I/81QvYeBJ+hL.jpg) ![Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 3](https://m.media-amazon.com/images/I/81vyCcXJl2L.jpg) ![Apera Instruments AI1113 pH Calibration Solution Kit (7.00, 4.00), 8 oz. for Each, HDPE (High Density Polyethylene) - Image 4](https://m.media-amazon.com/images/I/71XsdV6YUkL.jpg) ## Questions & Answers **Q: What is the life span of the solution . Does it have an expiration date?** A: The lifespan of unopened pH buffer solutions (new batches) is two years, one year for the older batches. All of our solutions have expiration dates on the bottles. **Q: Do the buffers and storage solutions have a mold inhibitor?** A: no, I don't think it's have mold inhibitors **Q: Does this come with storage solution?** A: Yes a 4oz bottle of kci storage solution. It's in the pic and description. **Q: Do the buffers and storage solutions have a mold inhibitor?** A: I don't think so. ## Customer Reviews ### ⭐⭐⭐⭐⭐ great for the class room or plant pH control *by J***. on 27 September 2025* ### ⭐⭐⭐⭐⭐ Good Product *by J***B on 19 January 2026* ### ⭐⭐⭐⭐⭐ Good value for pH references *by T***P on 10 October 2025* ## Frequently Bought Together - Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each - Apera Instruments 3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/452902545-apera-instruments-ai1113-ph-calibration-solution-kit-7-00-4](https://www.desertcart.dk/products/452902545-apera-instruments-ai1113-ph-calibration-solution-kit-7-00-4) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-25*